MIL-C-490A (NOTICE 1), MILITARY SPECIFICATION: CLEANING AND PREPARATION OF FERROUS AND ZINC COATED SURFACES FOR ORGANIC PROTECTIVE COATINGS (07 MAY 1954) [SUPERSEDES JAN-C-490] [S/S BY TT-C-490]., MIL-C-490A dated 7 May 1954 and Amendment 1 dated 11 march 1957 are hereby canceled. Further procurement should be made under Federal Specification TT-C-490.